Thursday, 1 January 2009

What Are Hybrid Electric Vehicles?

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Automobiles that rely on a combination between traditional propulsion means and alternative energy sources are classified as hybrid electric vehicles most of the time. The idea behind combining these two different power sources is to achieve improved fuel economy in hybrid electric vehicles compared to the conventional cars and trucks. Then, batteries are just used for support, and limited propulsion needs, without requiring any recharging due to the storage and energy renewal system.

Nowadays, hybrid electrical vehicles are produced in lines for mass usage, particularly since more and more manufacturers have joined the green line. The reasons why many car producers jump on the green bandwagon are varied. Whether there is a genuine interest in saving energy and not using the planet’s energetic sources, or a smart and "caring" way to attract buyers and thus sell more cars, one cannot be certain. There are three main ways that allow current hybrid electric vehicles to reduce gas consume. First, they lower the amount of wasted energy during idle or low input (turning off the ICE); secondly, they collect waste energy (regenerative braking), and thirdly, they reduce the size and power of the ICE and inefficiencies generated by under-utilization.

The batteries that supply the electric motor get charged when you drive around, thus preventing the input necessities. Some hybrid electrical vehicles designs depend on the use of an electric generator that is spun by the engine and allows the recharging of the battery. Many of the existing hybrid electric vehicles’ capability is to reduce idle emissions by shutting down the internal combustion engine at idle status and restarting it when necessary (this is a start-stop system). The engines of the hybrid electric vehicles are smaller than those of non-hybrid petroleum fuel vehicles. These engines may work at various speeds, thus bringing more efficiency.

The making of the hybrid electric vehicles started in the late 1990s and the first ones came from Honda (Honda Insight) and Toyota (Toyota Prius). The history of hybrid electric vehicles is marked by the buyer-oriented policy that aimed at making such cars available to anyone. The future of hybrid electric vehicles is definitely positive, and this is the forecast by some car makers who label hybrid electric vehicles a core segment of the automotive market of the future.

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